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GMC S15 Repair & Maintenance Costs

A guide to repairs, service, and maintenance costs for your GMC S15

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$310
Annual Repair Cost
on average
The annual maintenance cost of a GMC S15 is $310. Repair and maintenance costs vary depending on age, mileage, location and shop.

Most Common GMC S15 Problems

GMC S15 vehicles have 17 reported problems.The most commonly reported GMC S15 problem is: Distributor Shaft O-Ring Seal May Leak Oil
An oil leak may develop from the distributor o-ring seal requiring replacement of the seal.
Timing gears may wear causing a mild to severe knocking noise from the front of the engine. replacement of the timing...

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3
1
2
Group 4
Group 4
Above Average
The GMC Reliability Rating is 3.5 out of 5.0, which ranks it 21st out of 32 for all car brands. This rating is based on an average across 345 unique models. The average annual repair cost for a GMC is $747, which means it has above average ownership costs. The other factors that contribute to GMC reliability include an average of 0.4 visits to a repair shop per year and a 14% probability of a repair being severe.
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Most Common GMC S15 Questions

There are 23 related questions for GMC S15 vehicles. RepairPal's professional community answers hundreds of questions each day. Below are the most commonly asked GMC S15 questions.
Coolant leaking on floorboard. also, the blower barely blows so i was gonna replace the blower MOTOR as well. but doe...
I replaced coil, distubetor ignition coil im getting spark, fuel from fuel pump but injectors wont pulse ran a ground...
GMC S15 by Year
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